Home / 12,248.08-16,900.56-7,209.34

Finding the Fourth Proportional to 12,248.08, 16,900.56 and 7,209.34

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Solution

The fourth proportional to 12,248.08, 16,900.56 and 7,209.34 is: 9,947.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.08 : 16,900.56 = 7,209.34 : x
  2. Step 2: Convert to fraction form
    12,248.08/16,900.56 = 7,209.34/x
  3. Step 3: Cross multiply
    12,248.08x = 16,900.56 × 7,209.34
  4. Step 4: Simplify right side
    12,248.08x = 121,841,883.23
  5. Step 5: Solve for x
    x = 121,841,883.23/12,248.08
  6. Step 6: Final answer
    x = 9,947.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.